From patchwork Fri Jul 3 00:15:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 490861 X-Patchwork-Delegate: sjg@chromium.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 49E4A1402A9 for ; Fri, 3 Jul 2015 10:22:02 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b=K0scSH13; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 3D5F34B7CA; Fri, 3 Jul 2015 02:21:12 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uyXmvW3mn7sg; Fri, 3 Jul 2015 02:21:12 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 169FF4B7E4; Fri, 3 Jul 2015 02:20:05 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C6B154B699 for ; Fri, 3 Jul 2015 02:17:04 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pycrj4RpqjM8 for ; Fri, 3 Jul 2015 02:17:04 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-ie0-f177.google.com (mail-ie0-f177.google.com [209.85.223.177]) by theia.denx.de (Postfix) with ESMTPS id 395A24B694 for ; Fri, 3 Jul 2015 02:17:01 +0200 (CEST) Received: by iecvh10 with SMTP id vh10so67557530iec.3 for ; Thu, 02 Jul 2015 17:17:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=u1u/Fm3Kbt/BZS7OWkTQCEnkXf+HVz8r0HhY+RijBSc=; b=K0scSH13troY8pqF1xg7P0pu1U/pr0K80P1e0tAvUpKqDFTyZzOXVI/0E2xESgvB4t s2eDdj53qJJl5sBcn8sxMzXwhpdvCi0nPbfyCeUdARD+fKZglAjzkhzGf3BQ6KK3egeR B7cgk3CMXttW+dNJiARQfWLFEh5P9uPcqGFAU3v85cGTB0LiF4BtTFhWg8AOI/tTDB3N UxMTryKB+oF2NJwB+FSx3UvzgZLty9vjKMVPHssn3k2Q7mcO7jZ6zqc7w8GbvVd5/92h S6NGf9nh05bXtYAGf6MIdiNjpxJorQVgDbJy/gJAzOPjCassCl2X/7tQ85mZejhXBVGh ZnKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=u1u/Fm3Kbt/BZS7OWkTQCEnkXf+HVz8r0HhY+RijBSc=; b=iJrX4XehgvSKrVmKVcZaNEdFPGst+drS9XE9LtJY5NEr669DArTtPVH3NOHmNK4SCP VN6jCe9Qm0jjMHhcqypH9izVFIw9UyF/GCMmu7HA8NabS0+7USRw46+cXBfLwIaogz4Q Ru7yyDNt8UTZJ9x9bnCBnhIPhSSGj1E0dzdjjJ7w2zSlI23tlK572loPeRqGrb/iA+03 VY3DTe3jBkSk8Y+1AoH0rykea8hu6LICCel/J+PYrmr+TPYmECeBth6uG4DRwMy3ug6B QDivQudCMMoAEjWbZkrRoBpP8irFj23ZgWOhkzTDhEeVp/C264IZcHvt2nNo4mkFq/rG DvnA== X-Gm-Message-State: ALoCoQlyKltC0g+DxcT/qXAqMWlgXIg0O1az+auA1RYbpMoSih44i8Xv882IMUH8F3hX/HTPwxFL X-Received: by 10.42.238.14 with SMTP id kq14mr14912961icb.23.1435882620513; Thu, 02 Jul 2015 17:17:00 -0700 (PDT) Received: from kaki.bld.corp.google.com ([172.29.216.32]) by mx.google.com with ESMTPSA id p4sm2315805igg.20.2015.07.02.17.16.57 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Jul 2015 17:17:00 -0700 (PDT) Received: by kaki.bld.corp.google.com (Postfix, from userid 121222) id AD3CF221129; Thu, 2 Jul 2015 18:16:53 -0600 (MDT) From: Simon Glass To: U-Boot Mailing List Date: Thu, 2 Jul 2015 18:15:55 -0600 Message-Id: <1435882592-487-19-git-send-email-sjg@chromium.org> X-Mailer: git-send-email 2.4.3.573.g4eafbef In-Reply-To: <1435882592-487-1-git-send-email-sjg@chromium.org> References: <1435882592-487-1-git-send-email-sjg@chromium.org> Cc: Tom Rini Subject: [U-Boot] [PATCH 18/55] exynos: Enable the debug UART in SPL X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" As a debugging aid, allow UART3 to be used as a debug UART in SPL. This is a precursor to proper UART support, which requires a substantial refactor. Signed-off-by: Simon Glass --- arch/arm/cpu/armv7/exynos/lowlevel_init.c | 5 +++++ drivers/serial/serial_s5p.c | 2 ++ 2 files changed, 7 insertions(+) diff --git a/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c index 120aaf8..3774607 100644 --- a/arch/arm/cpu/armv7/exynos/lowlevel_init.c +++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c @@ -25,6 +25,7 @@ #include #include +#include #include #include #include @@ -216,6 +217,10 @@ int do_lowlevel_init(void) if (actions & DO_CLOCKS) { system_clock_init(); +#ifdef CONFIG_DEBUG_UART + exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + debug_uart_init(); +#endif mem_ctrl_init(actions & DO_MEM_RESET); tzpc_init(); } diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 4a553a3..21cb566 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -85,6 +85,7 @@ static void __maybe_unused s5p_serial_baud(struct s5p_uart *uart, uint uclk, writeb(val % 16, &uart->rest.value); } +#ifndef CONFIG_SPL_BUILD int s5p_serial_setbrg(struct udevice *dev, int baudrate) { struct s5p_serial_platdata *plat = dev->platdata; @@ -200,6 +201,7 @@ U_BOOT_DRIVER(serial_s5p) = { .ops = &s5p_serial_ops, .flags = DM_FLAG_PRE_RELOC, }; +#endif #ifdef CONFIG_DEBUG_UART_S5P